Software testing courses can help you learn test planning, test case design, automated testing, and performance testing. You can build skills in identifying bugs, writing effective test scripts, and using various testing methodologies. Many courses introduce tools like Selenium for automation, JUnit for unit testing, and JIRA for issue tracking, showing how these skills apply in real-world software development environments.

Duke University
Skills you'll gain: Regression Analysis, R (Software), Data Analysis Software, Statistical Analysis, R Programming, Statistical Modeling, Statistical Inference, Correlation Analysis, Model Evaluation, Exploratory Data Analysis, Mathematical Modeling, Statistics, Predictive Modeling, Probability & Statistics
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Node.JS, React Redux, Restful API, Database Design, Ajax, Database Application, Databases, Full-Stack Web Development, Server Side, NoSQL, Back-End Web Development, Front-End Web Development, Javascript, React.js, Performance Tuning, API Design, Data Structures, MongoDB, Debugging, JavaScript Frameworks
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Object Oriented Design, Application Design, Solution Design, Software Visualization, Program Development, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: R Programming, R (Software), Data Science, Data Analysis, Statistical Modeling, Data Visualization, Statistical Analysis, Statistical Visualization, Regression Analysis, Statistical Machine Learning, Plot (Graphics), Data Structures, Computer Programming, Decision Tree Learning, Machine Learning Methods, Machine Learning, Software Development, Computer Programming Tools, Data Import/Export, Machine Learning Algorithms
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Variance Analysis, Financial Analysis, Budget Management, Strategic Decision-Making, Financial Modeling, Budgeting, Financial Statement Analysis, Financial Forecasting, Corporate Finance, Cost Management, Capital Budgeting, Risk Modeling, Spreadsheet Software, Microsoft Excel, Business Analytics, Data Analysis, Case Studies, Data-Driven Decision-Making, Risk Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Copywriting, Social Media Content, Content Creation, Social Media, Instagram, Marketing Materials, Brand Strategy, Storytelling, Branding, Graphic and Visual Design, Social Impact, Software Development Tools, Build Tools, Social Work, Time Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cash Management, Cash Flow Forecasting, Reconciliation, Fraud detection, Accounts Payable and Receivable, Accounting and Finance Software, Internal Controls, Financial Controls, Financial Forecasting, Revenue Forecasting, Financial Accounting, Accounting Records, Financial Modeling, General Ledger, Accounting, QuickBooks (Accounting Software), Financial Statements, Financial Analysis, Revenue Management, Investigation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Feature Engineering, Data Ethics, Data Visualization, Exploratory Data Analysis, Tableau Software, Data-Driven Decision-Making, Data Visualization Software, Data Analysis, Analytical Skills, Data Cleansing, Statistical Methods, Data Preprocessing, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Excel Macros, Microsoft Excel, Data Transformation, Data Import/Export, File I/O, Data Wrangling, Extensible Markup Language (XML), Data Manipulation, Data Cleansing, Spreadsheet Software, Visual Basic (Programming Language), File Management, Automation, Microsoft Office, Microsoft 365, Data Science, Query Languages, Debugging, Performance Improvement, Computer Programming
Mixed · Course · 1 - 3 Months

Skills you'll gain: Application Design, User Interface and User Experience (UI/UX) Design, Software Design, Application Development, Front-End Web Development, Performance Tuning, Software Design Patterns, Real Time Data, API Design, Application Performance Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Billing & Invoicing, Accounts Payable, Accounting Software, Ledgers (Accounting), Reconciliation, Billing, Accounts Payable and Receivable, Payment Processing and Collection, Billing Systems, QuickBooks (Accounting Software), Accounts Receivable, Bookkeeping, Invoicing, General Ledger, Auditing, Record Keeping, Automation, Transaction Processing, Financial Accounting, Process Optimization
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Kubernetes, Application Deployment, Google Cloud Platform, Containerization, Identity and Access Management, Cloud Computing, Docker (Software), Cloud Infrastructure, Devops Tools, Command-Line Interface
Intermediate · Course · 1 - 3 Months